Does the 510 hit just by taking a puff? Or do you have to hit a button like the ego? Or is there a mod for.this? Im not sure which to get. I think the 51v0 looks better but i know the ego has a better battery.
I dont mind spending a little more for a better product
I dont mind spending a little more for a better product

I could have saved a lotta $$$ by starting with an eGo. Some of us just have to make that error in judgement though. 
